What term describes a collection of nerve cell bodies located outside the central nervous system?

Study the Nervous and Endocrine Systems for Biology 30. Dive into multiple choice questions, gain insights with hints and explanations, perfect your understanding, and prepare effectively for your exam!

Multiple Choice

What term describes a collection of nerve cell bodies located outside the central nervous system?

Explanation:
Collections of neuron cell bodies outside the CNS are called ganglia. Inside the brain or spinal cord, those same clusters are called nuclei. A plexus is a network of nerves, not a cluster of cell bodies. So when the question asks for a term describing a collection of nerve cell bodies located outside the central nervous system, the term is ganglion (singular; ganglia is the plural). For example, the dorsal root ganglion contains the cell bodies of sensory neurons just outside the spinal cord, and autonomic ganglia house postganglionic neuron cell bodies along autonomic pathways.

Collections of neuron cell bodies outside the CNS are called ganglia. Inside the brain or spinal cord, those same clusters are called nuclei. A plexus is a network of nerves, not a cluster of cell bodies. So when the question asks for a term describing a collection of nerve cell bodies located outside the central nervous system, the term is ganglion (singular; ganglia is the plural). For example, the dorsal root ganglion contains the cell bodies of sensory neurons just outside the spinal cord, and autonomic ganglia house postganglionic neuron cell bodies along autonomic pathways.

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